Articles | Volume 6, issue 2
https://doi.org/10.5194/esd-6-731-2015
https://doi.org/10.5194/esd-6-731-2015
Short communication
 | 
27 Nov 2015
Short communication |  | 27 Nov 2015

Quantifying differences in land use emission estimates implied by definition discrepancies

B. D. Stocker and F. Joos

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AR: Author's response | RR: Referee report | ED: Editor decision
AR by Benjamin Stocker on behalf of the Authors (05 Oct 2015)  Author's response   Manuscript 
ED: Publish subject to minor revisions (review by Editor) (22 Oct 2015) by Christian Reick
AR by Benjamin Stocker on behalf of the Authors (04 Nov 2015)  Author's response   Manuscript 
ED: Publish as is (10 Nov 2015) by Christian Reick
AR by Benjamin Stocker on behalf of the Authors (18 Nov 2015)  Manuscript 
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Short summary
Estimates for land use change CO2 emissions (eLUC) rely on different approaches, implying conceptual differences of what eLUC represents. We use an Earth System Model and quantify differences between two commonly applied methods to be ~20% for historical eLUC but increasing under a future scenario. We decompose eLUC into component fluxes, quantify them, and discuss best practices for global carbon budget accountings and model-data intercomparisons relying on different methods to estimate eLUC.
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